body {
    background-color: #000;
    overflow-x: hidden;
    cursor: none;
}

body * {
    z-index: 20;
    color: #000;
    margin: 0;
    padding: 0;
}

#light {
    position: fixed;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 0%, rgba(255, 255, 255, 0) 70%);
    z-index: 1000;
    pointer-events: none;
    display: none;
}

.article {
    position: relative;
    font-size: 24px;
    width: 1920px;
    margin: 0 auto;
    padding-top: 40px;
}

.image-container {
    position: relative;
    width: 100%;
    margin: 0 auto;
    overflow: hidden;
}

.image-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #000;
    z-index: 25; /* 增加 z-index 值 */
}

.image-container:hover::before {
    background: radial-gradient(circle 250px at var(--x, 50%) var(--y, 50%), 
                transparent 0%, rgba(0,0,0,0.99) 70%, #000 100%);
}

.image-container .article-image {
    width: 100%;
    height: auto;
    display: block;
}

.renwu-link {
    position: absolute;
    top: 47%;
    left: 50%;
    transform: translate(-50%, -48%);
    z-index: 30; /* 确保链接在最上层 */
    width: 80px;
    height: auto;
}

.renwu {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: brightness(0); /* 初始状态设置为黑色 */
    transition: filter 0.3s ease; /* 添加过渡效果 */
}

.renwu-link:hover .renwu {
    filter: brightness(1); /* 鼠标悬停时恢复正常亮度 */
}

.article * {
    margin-bottom: 20px;
}
